The Spring,helical,extension, cataloged under National Stock Number 5360-00-446-6723, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-446-6723 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.5815 INCHES NOMINAL IN |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.188 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 2.644 INCHES NOMINAL IN |
| Spring Deflection Rate | 14.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.4375 INCHES NOMINAL IN |
| Coil Quantity | 21 |
| Surface Treatment | CADMIUM AND ZINC OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Hook Radius | 0.218 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| K6693409 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 6693409 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 6693409 | 3/9 Design control — primary reference General Electric Company |
| K6693409 | 5/9 Secondary reference General Electric Company |
NSN 5360-00-446-6723 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-00-446-6723: Spring Free Outside Diameter: 0.5815 INCHES NOMINAL IN; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.